iOS原生推送（APNS）进阶iOS10推送图片、视频、音乐

た入场券 2022-05-12 06:38 299阅读 0赞

> 代码地址如下：  
> [http://www.demodashi.com/demo/13208.html][http_www.demodashi.com_demo_13208.html]

## 前言 ##

我们首先要在AppDelegate里面进行iOS的适配，可以参考这篇文章

[iOS原生推送（APNS）的实现][iOS_APNS]，  
如果已经适配过了请忽略。

## 程序实现 ##

Xcode打开项目，File–>New–>Target;

![1hvqhPXzIaxvI8zFrC2.png][]

然后分别选UNNotificationServiceExtension、UNNotificationContent创建Target；  
![HlHCw8qht9Nxl5Y5vB2.png][]

然后在UNNotificationServiceExtension的- (void)didReceiveNotificationRequest:(UNNotificationRequest *)request withContentHandler:(void (^)(UNNotificationContent*  \_Nonnull))contentHandler \{\}方法中添加下面的代码；

NSMutableArray *actionMutableArr = [[NSMutableArray alloc] initWithCapacity:1]; UNNotificationAction * actionA =[UNNotificationAction actionWithIdentifier:@"ActionA" title:@"不感兴趣" options:UNNotificationActionOptionAuthenticationRequired]; UNNotificationAction * actionB = [UNNotificationAction actionWithIdentifier:@"ActionB" title:@"不感兴趣" options:UNNotificationActionOptionDestructive]; UNNotificationAction * actionC = [UNNotificationAction actionWithIdentifier:@"ActionC" title:@"进去瞅瞅" options:UNNotificationActionOptionForeground]; UNTextInputNotificationAction * actionD = [UNTextInputNotificationAction actionWithIdentifier:@"ActionD" title:@"作出评论" options:UNNotificationActionOptionDestructive textInputButtonTitle:@"send" textInputPlaceholder:@"say some thing"]; [actionMutableArr addObjectsFromArray:@[actionA,actionB,actionC,actionD]];
    
    if (actionMutableArr.count) {
    
    UNNotificationCategory * notficationCategory = [UNNotificationCategory categoryWithIdentifier:@"categoryNoOperationAction" actions:actionMutableArr intentIdentifiers:@[@"ActionA",@"ActionB",@"ActionC",@"ActionD"] options:UNNotificationCategoryOptionCustomDismissAction];
    
    [[UNUserNotificationCenter currentNotificationCenter] setNotificationCategories:[NSSet setWithObject:notficationCategory]];
    
    }

上面的方法是添加推送消息下面的事件（进入应用查看，取消查看，快捷回复）的，如果你的应用不需要可以忽略；

self.contentHandler = contentHandler;
    
    self.bestAttemptContent = [request.content mutableCopy];
    
    self.bestAttemptContent.categoryIdentifier = @"categoryNoOperationAction";
    
    // Modify the notification content here...
    
    // self.bestAttemptContent.title = [NSString stringWithFormat:@"点击查看更多内容"];
    
    NSDictionary *dict =  self.bestAttemptContent.userInfo;
    
    // NSDictionary *notiDict = dict[@"aps"];
    
    NSString *mediaUrl = [NSString stringWithFormat:@"%@",dict[@"media"][@"url"]];
    
    NSLog(@"%@",mediaUrl);
    
    if (!mediaUrl.length) {
    
    self.contentHandler(self.bestAttemptContent);
    
    }
    
    [self loadAttachmentForUrlString:mediaUrl withType:dict[@"media"][@"type"] completionHandle:^(UNNotificationAttachment *attach) {
    
    if (attach) {
    
    self.bestAttemptContent.attachments = [NSArray arrayWithObject:attach];
    
    }
    
    self.contentHandler(self.bestAttemptContent);
    
    }];

//处理视频，图片的等多媒体
    
    - (void)loadAttachmentForUrlString:(NSString *)urlStr
    
    withType:(NSString *)type
    
    completionHandle:(void(^)(UNNotificationAttachment *attach))completionHandler{
    
    __block UNNotificationAttachment *attachment = nil;
    
    NSURL *attachmentURL = [NSURL URLWithString:urlStr];
    
    NSString *fileExt = [self fileExtensionForMediaType:type];
    
    NSURLSession *session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];
    
    [[session downloadTaskWithURL:attachmentURL
    
    completionHandler:^(NSURL *temporaryFileLocation, NSURLResponse *response, NSError *error) {
    
    if (error != nil) {
    
    NSLog(@"%@", error.localizedDescription);
    
    } else {
    
    NSFileManager *fileManager = [NSFileManager defaultManager];
    
    NSURL *localURL = [NSURL fileURLWithPath:[temporaryFileLocation.path stringByAppendingString:fileExt]];
    
    [fileManager moveItemAtURL:temporaryFileLocation toURL:localURL error:&error];
    
    NSError *attachmentError = nil;
    
    attachment = [UNNotificationAttachment attachmentWithIdentifier:@"" URL:localURL options:nil error:&attachmentError];
    
    if (attachmentError) {
    
    NSLog(@"%@", attachmentError.localizedDescription);
    
    }
    
    }
    
    completionHandler(attachment);
    
    }] resume];
    
    }
    
    - (NSString *)fileExtensionForMediaType:(NSString *)type {
    
    NSString *ext = type;
    
    if ([type isEqualToString:@"image"]) {
    
    ext = @"jpg";
    
    }
    
    if ([type isEqualToString:@"video"]) {
    
    ext = @"mp4";
    
    }
    
    if ([type isEqualToString:@"audio"]) {
    
    ext = @"mp3";
    
    }
    
    return [@"." stringByAppendingString:ext];
    
    }

上面的这两段代码是当推送消息来了后，我们将mdeia下的url内的文件下载到本地，然后将路径交给系统，进而实现推送多媒体文件的目的；

#### 这里说一下必须注意的两个坑、个坑、坑： ####

1.将UNNotificationServiceExtension中的pilst文件中添加

（1）在Info.plist中添加NSAppTransportSecurity类型Dictionary。

（2）在NSAppTransportSecurity下添加NSAllowsArbitraryLoads类型Boolean,值设为YES

这是因为从iOS9开始苹果不允许直接http访问，加上这两个字段就可以访问http，如果你不添加，只有你推送https的media文件才能被下载，http则不能被下载；

![k52DRBMOJqOnav0p6k7.png][]

2.选中工程—> UNNotificationServiceExtension所对应的Target–>Deploy Target设置为iOS10，因为是从iOS10才支持推送多媒体文件，它默认是从当前Xocde支持的最高版本，比如小编的手机版本iOS10.0.2，它默认是iOS 10.2.0.刚开始小编没有修改，推送死活出不来图片，只有文字；后台检查才发现这里是从iOS 10.2.0支持的，心中一万个草泥马崩腾而过；  
![L6NNxCGkN9ulltF2sBw.png][]

忙活了这么多还是看一下效果吧，我只做了图片与视频，声音应该差别不大。

> 推送视频效果图

![XkexrQAS26jBKOTBh0m.gif][]

> 推送图片效果图

![dtRpSBFIjI8eJ1bUJDy.gif][]

#### 自定义推送的UI ####

1、在UNNotificationServiceExtension的- (void)didReceiveNotificationRequest:(UNNotificationRequest *)request withContentHandler:(void (^)(UNNotificationContent*  \_Nonnull))contentHandler方法内为self.bestAttemptContent添加categoryIdentifier

self.bestAttemptContent.categoryIdentifier = @"myNotificationCategory";

然后将这个categoryIdentifier粘贴在UNNotificationContent的infoplist内NSExtension–>NSExtensionAttributes–>UNNotificationExtensionCategory的字段内；然后在下面在添加一个字段UNNotificationExtensionDefaultContentHidden设置bool值为YES，这里是隐藏系统的UI；

![XbkmuOmDJAXiGN5TS52.png][]

1.  在上面的下载多媒体文件的- (void)loadAttachmentForUrlString:(NSString *)urlStr withType:(NSString* )type completionHandle:(void(^(UNNotificationAttachment \*attach))completionHandler；方法内添加

NSMutableDictionary * dict = [self.bestAttemptContent.userInfo mutableCopy];
    
    [dict setObject:[NSData dataWithContentsOfURL:localURL] forKey:@"image"];
    
    self.bestAttemptContent.userInfo = dict;

我这里是将图片的Data数据放到推送的userInfo里面，然后在自定义UI的UNNotificationContent内获取这个Date，然后加载UI；  
3、 在UNNotificationContent的maininterface.storyboard内部将UI做好，然后在UNNotificationContent的- (void)didReceiveNotification:(UNNotification \*)notification ；方法内进行UI加载。

![Vb2cmzXiJMpj9uMxUGa.png][]

##### UI运行效果 #####

![6CE1knZxikmkTYvRYW9.gif][]

## 项目结构图 ##

![fCTLsG965T0zCq9ftYY.jpg][]iOS原生推送（APNS）进阶iOS10推送图片、视频、音乐

> 代码地址如下：  
> [http://www.demodashi.com/demo/13208.html][http_www.demodashi.com_demo_13208.html]
> 
> 注：本文著作权归作者，由demo大师发表，拒绝转载，转载需要作者授权

[http_www.demodashi.com_demo_13208.html]: http://www.demodashi.com/demo/13208.html
[iOS_APNS]: https://www.jianshu.com/p/94cec7d435e8
[1hvqhPXzIaxvI8zFrC2.png]: /images/20220512/69e6f606c3764755a79c527ddb756dff.png
[HlHCw8qht9Nxl5Y5vB2.png]: /images/20220512/d4ea26e53f434d0b973398fdb1b92229.png
[k52DRBMOJqOnav0p6k7.png]: /images/20220512/7634ae8d475d4ec3b59996565808a94d.png
[L6NNxCGkN9ulltF2sBw.png]: /images/20220512/d5bb8b588881489cad7c31c1bdef8b63.png
[XkexrQAS26jBKOTBh0m.gif]: /images/20220512/e2e384cfa4894d40a5568d4efc205f9b.png
[dtRpSBFIjI8eJ1bUJDy.gif]: /images/20220512/61942d8fe63f4d6f8fec8561455444de.png
[XbkmuOmDJAXiGN5TS52.png]: /images/20220512/374d191386024c2abbe9a68413f4011c.png
[Vb2cmzXiJMpj9uMxUGa.png]: /images/20220512/748f83f43b214a799ddcddbaf765a333.png
[6CE1knZxikmkTYvRYW9.gif]: /images/20220512/8782a2cfd2c6485792de7fc8d4d08f95.png
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